Pankaj, Ashwin and Tarun started a business in partnership investing in the ratio of 6:5:8 respectively. At the end of the year they earned a profit of Rs. 85,500, which is 15% of their total investment. How much did Ashwin invest ?

Computer A takes 3 minutes to process an input while computer B takes 4 minutes. If computers A, B and C can process an average of 15 inputs in one hour, how many minutes does Computer C alone take to process one input ?